1325320502 has 12 divisors (see below), whose sum is σ = 2185136268. Its totient is φ = 602418300.

The previous prime is 1325320499. The next prime is 1325320537. The reversal of 1325320502 is 2050235231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2738024 + ... + 2738507.

It is an arithmetic number, because the mean of its divisors is an integer number (182094689).

Almost surely, 2^1325320502 is an apocalyptic number.

1325320502 is a deficient number, since it is larger than the sum of its proper divisors (859815766).

1325320502 is a wasteful number, since it uses less digits than its factorization.

1325320502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5476555 (or 5476544 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1325320502 is about 36404.9516137572. The cubic root of 1325320502 is about 1098.4331692792.

Adding to 1325320502 its reverse (2050235231), we get a palindrome (3375555733).

The spelling of 1325320502 in words is "one billion, three hundred twenty-five million, three hundred twenty thousand, five hundred two".